Home / 5,145,643.60-7,712,935.80-1,949,534.80

Finding the Fourth Proportional to 5,145,643.60, 7,712,935.80 and 1,949,534.80

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Solution

The fourth proportional to 5,145,643.60, 7,712,935.80 and 1,949,534.80 is: 2,922,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,643.60 : 7,712,935.80 = 1,949,534.80 : x
  2. Step 2: Convert to fraction form
    5,145,643.60/7,712,935.80 = 1,949,534.80/x
  3. Step 3: Cross multiply
    5,145,643.60x = 7,712,935.80 × 1,949,534.80
  4. Step 4: Simplify right side
    5,145,643.60x = 15,036,636,752,265.84
  5. Step 5: Solve for x
    x = 15,036,636,752,265.84/5,145,643.60
  6. Step 6: Final answer
    x = 2,922,207.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.